<template>
  <div class="dashboard-container">
    <div class="app-container">
      <PageTools :show-before="true">
        <!-- 左侧总记录数 -->
        <template #before>
          <span>共{{page.total}}条记录</span>
        </template>
        <!-- 右侧 -->
        <template #after>
          <el-button size="small" type="success" @click=" $router.push('/import')">excel导入</el-button>
          <el-button size="small" type="danger" @click="exportData">导出</el-button>
          <el-button size="small" type="primary" @click="showDialog = true">新增员工</el-button>
        </template>
      </PageTools>
       <!-- 放置表格和分页 -->
      <el-card v-loading="loading">
        <el-table border :data="list">
          <el-table-column label="序号" sortable="" type="index" align="center"/>
          <el-table-column label="姓名" sortable="" prop="username" align="center"/>
          <el-table-column label="头像" align="center">
            <template slot-scope="{row}">
              <img
                slot="reference"
                v-imageerror="require('@/assets/common/bigUserHeader.png')"
                :src="row.staffPhoto"
                style="border-radius: 50%; width: 100px; height: 100px; padding: 10px"
                @click="showQrCode(row.staffPhoto)"
              >
            </template>
          </el-table-column>
          <el-table-column label="工号" sortable="" prop="workNumber" align="center"/>
          <el-table-column label="聘用形式" sortable="" prop="formOfEmployment" :formatter="formatEmployment" align="center"/>
          <el-table-column label="部门" sortable="" prop="departmentName" align="center"/>
          <el-table-column label="入职时间" sortable="" prop="timeOfEntry" align="center">
             <template slot-scope="obj">
              {{
                obj.row.timeOfEntry | formatDate
              }}
            </template>
          </el-table-column>
          <el-table-column label="账户状态" sortable="" prop="enableState" align="center">
            <template slot-scope="{ row }">
              <!-- 根据当前状态来确定是否打开开关 -->
              <el-switch :value="row.enableState === 1"></el-switch>
            </template>
          </el-table-column>
          <el-table-column label="操作" sortable="" fixed="right" width="280">
            <template slot-scope="{ row }">
              <el-button type="text" size="small" @click="$router.push(`/employees/detail/${row.id}`)">查看</el-button>
              <el-button type="text" size="small">转正</el-button>
              <el-button type="text" size="small">调岗</el-button>
              <el-button type="text" size="small">离职</el-button>
              <el-button type="text" size="small" @click="editRole(row.id)">角色</el-button>
              <el-button type="text" size="small" @click="deleteEmployee(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-row type="flex" justify="center" align="middle" style="height: 60px">
          <el-pagination 
          layout="prev, pager, next" 
          :page-size="page.size"
          :current-page="page.page"
          :total="page.total"
          @current-change="changePage"
          />
        </el-row>
      </el-card>
    </div>
    <!-- 放置弹出层组件 -->
    <AddEmployee :showDialog.sync="showDialog"></AddEmployee>
    <!-- 二维码 -->
    <el-dialog title="二维码" :visible.sync="showCodeDialog"  @close="imgUrl=''">
      <el-row type="flex" justify="center">
        <canvas ref="myCanvas"></canvas>
      </el-row>
    </el-dialog>
    <!-- 放置角色弹层 -->
    <AssignRole ref="assignRole" :showRoleDialog.sync="showRoleDialog" :userId="userId"></AssignRole>
  </div>
</template>

<script>
import { getEmployeeList, delEmplpyee } from '@/api/employees'
import EmployeeEnum from '@/api/constant/employees'
import AddEmployee from './components/add-employee.vue'
import AssignRole from './components/assign-role.vue'
import { formatDate } from '@/filters'
import QrCode from 'qrcode'
export default {
  components: {
    AddEmployee,
    AssignRole
  },
  data () {
    return {
      loading: false,
      list: [], // 员工列表数据
      page: {
        page: 1, //当前页码
        size: 10,
        total: 0 // 总数
      },
      showDialog: false, // 默认不显示弹层
      showCodeDialog: false, // 显示二维码弹层
      showRoleDialog: false, // 角色弹层
      userId: null, // 定义一个角色Id
    }
  },
  created () {
    this.getEmployeeList()
  },
  methods: {
    changePage(newPage) {
      this.page.page = newPage
      this.getEmployeeList()
    },
    async getEmployeeList() {
      this.loading = true
      const {total, rows} = await getEmployeeList(this.page)
      this.page.total = total
      this.list = rows
      this.loading = false
    },
    // 格式化聘用形式
    formatEmployment (row, column, cellValue, index) {
      // 要去找1所对应的值
      const obj = EmployeeEnum.hireType.find(item => item.id === cellValue)
      return obj ? obj.value : '未知'
    },
    // 删除员工
    async deleteEmployee (id) {
     try {
       await this.$confirm('确定要删除该员工?')
       console.log(id);
       await delEmplpyee(id)
       this.getEmployeeList()
       this.$message.success('删除员工成功')
     } catch (e) {
      console.log(e);
     }
    },
    // 导出员工
    exportData () {
      // 表头对应关系
      const headers = {
        '姓名': 'username',
        '手机号': 'mobile',
        '入职日期': 'timeOfEntry',
        '聘用形式': 'formOfEmployment',
        '转正日期': 'correctionTime',
        '工号': 'workNumber',
        '部门': 'departmentName'
      }
     // 懒加载
      import('@/vendor/Export2Excel').then(async excel => {
        const { rows } = await getEmployeeList({ page: 1, size: this.page.total })
        const data = this.formatJson(headers, rows)
        const multiHeader = [['姓名', '主要信息', '', '', '', '', '部门']]
        const merges = ['A1:A2', 'B1:F1', 'G1:G2']
        excel.export_json_to_excel({
          header: Object.keys(headers),
          data,
          filename: '员工信息表',
          autoWidth: true,
          bookType: 'xlsx',
          multiHeader,
          merges
        })
      })
    },
    // 将数组转换成二维数组
    formatJson (headers, rows) {
      // 先遍历数组
      return rows.map(item => {
        return Object.keys(headers).map(Key => {
          if (headers[Key] === 'timeOfEntry' || headers[Key] === 'correctionTime') {
            return formatDate(item[headers[Key]])
          } else if (headers[Key] === 'formOfEmployment') {
            var en = EmployeeEnum.hireType.find(obj => obj.id === item[headers[Key]])
            return en ? en.value : '未知'
          }
          return item[headers[Key]]
        })
      })
    },
    showQrCode (url) {
      // url存在的情况下才弹出
      if (url) {
        this.showCodeDialog = true
        this.$nextTick(() => {
          // 此时可以确认已经有ref对象了
          QrCode.toCanvas(this.$refs.myCanvas, url)  // 将地址转化成二维码
        })
      } else {
        this.$message.warning('该用户还未上传头像')
      }
    },
    editRole (id) {
      this.userId = id // props传值是异步的
      this.$refs.assignRole.getUserDetailById(id) // 父组件调用子组件方法
      this.showRoleDialog = true
    }
  }
}
</script>

<style>

</style>
